Finding the Fourth Proportional to 2,470,968,114.72, 3,719,810,864.66 and 2,251,052,810.16
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Solution
The fourth proportional to 2,470,968,114.72, 3,719,810,864.66 and 2,251,052,810.16 is: 3,388,748,988.82
Step by Step Solution
- Step 1: Write the proportion equation
2,470,968,114.72 : 3,719,810,864.66 = 2,251,052,810.16 : x - Step 2: Convert to fraction form
2,470,968,114.72/3,719,810,864.66 = 2,251,052,810.16/x - Step 3: Cross multiply
2,470,968,114.72x = 3,719,810,864.66 × 2,251,052,810.16 - Step 4: Simplify right side
2,470,968,114.72x = 8,373,490,700,156,591,104 - Step 5: Solve for x
x = 8,373,490,700,156,591,104/2,470,968,114.72 - Step 6: Final answer
x = 3,388,748,988.82
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.